What is the maximum number of electrons in an atom that can have the following quantum numbers? Specify the orbitals in which the electrons would be found. (a) n = 2, ms = +1 2; (b) n = 4, mℓ = +1; (c) n = 3, ℓ = 2; (d) n = 2, ℓ = 0, ms = −1 2; (e) n = 4, ℓ = 3, mℓ = −2.
Answer:
1.04
Explanation:
Where does the energy of a hurricane come from? (1 point)
O the Sun
O strong winds
O Earth's spin
O Earth's moon
Answer:
strong winds come from the energy of a hurricane
The energy of a hurricane come from strong wind. The Taino Native American term hurricane, which translates to "bad spirit of the wind," is where the word hurricane originates.
What is hurricane ?A tropical storm that has sustained winds of 74 mph or greater is referred regarded as a hurricane. A storm's eye typically measures 20 to 30 miles in width and can reach distances of 400 miles. Storms can be dangerous because of their torrential downpours, strong gusts, and storm surges.
When warm, humid air begins to rise over water, hurricanes emerge. Cooler air replaces the rising air. Large clouds and thunderstorms continue to grow as a result of this process. Thanks to the earth's Coriolis Effect, these thunderstorms are still expanding and starting to rotate.
Thus, option B is correct.
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In making a pizza, which process involves a chemical
change?
o mixing spices for the sauce
o slicing pepperoni for the topping
o spreading cheese on the pizza
o baking the dough to form the crust
Answer:
baking the dough to form the crust
In making a pizza, the process that involves a chemical change is baking the dough to form the crust.
What is chemical change?Chemical changes occur when a substance combines with another to form an entirely new substance.
During a chemical change there is a formation of an entirely new product different from the original product.
Thus, In making a pizza, the process that involves a chemical change is baking the dough to form the crust.
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The number 1x10^100 is called a googol. Write the number 50 googols in standard form.
Answer:
Explanation:
50 * 10^100 is 50 googols in scientific notation... but
come on, who would write that in standard form...
65,000(0.08 x 200x 0.004) / (800x300)
Perform the following operations giving the proper number as a benefit get figures in the answer.
Help
Answer:
Use calculator but first group them one by one and open the bracket by solving them accordingly
The number we get by this operation is 0.016. This number can be taken based on the rules for significant figures.
What is significant figures?The number of significant figures is the number of digits that are known with certainty plus the last one having some uncertainty. All non zero values are significant and zero preceding first non zero digit is not significant .
For example in 65000, there are only two significant figures. Similarly in 0.08 only one significant digit is present. Now when we multiply two decimal numbers, the result can only have as many decimal places as there are in the value with fewest decimal places.
First, multiply the numbers inside the bracket. As per the above rule, the result should contain only two decimal places.
(0.08 ×200×0.004) = 0.06
Multiply by 65000 - 0.06×65000 = 3900
Now divide it by the multiplication product (800× 300), 240000 we get as follows:
3900÷240000 = 0.016
Hence the result of this operation is 0.016.
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could you help answer these two question
Answer:
number 29 is D
Explanation: When the moon orbits the earth some of the light reflects off the moon, making it visible on the Earth.
I dont know how to answer 28 fully, is there a picture?
Which of the cells is flat and protects you?
Answer:
Skin cells are flat and protect you!
Explanation:
Answer:
Epithelial cells are the safety shields of the body. Take another look at your hand. It is covered with epithelial cells that protect your body by being a barrier between your internal cells and the dirt and microbes in the environment.
Which item is a good example of potential energy?
A thrown baseball
O Electricity
O A rock
A battery
how many elements belong to the alkali metal family
Answer:
six
Explanation:
check your periodic table
Heat is transferred from a fire to potatoes that are sitting on top of the coals.
Which type of heat transfer is occurring?
Answer: Is it Conduction?
Explanation:
Determine the mass of 10g of CaCO3
Answer:
= 100u. Hence 10 g = 0.1 mole. Hope it's helpful to u
covalent bond of N and S
Answer:
Covalent bond between identical atoms
Covalent bonds occur between identical atoms or between different atoms whose difference in electronegativity is insufficient to allow transfer of electrons to form ions. ... The two hydrogen atoms are attracted to the same pair of electrons in the covalent bond.
What fraction of the original atoms of the radioactive sample will remain after the given number of half-lives has passed?
Answer:
1/8
Explanation:
[tex] \frac{1}{ {2}^{3} } = \frac{1}{8} [/tex]
Mark brainliest please
The temperature of a gas is increased. Which statement best explains the effect that this has on the motion of gas
particles?
Answer:
The average kinetic energy increases, and the particles collide more frequently.
Explanation:
what are the statement of ethanol
Answer:
Density 0.78945 g/cm3 (at 20 °C)
Melting point −114.14 ± 0.03 °C (−173.45 ± 0.05 °F; 159.01 ± 0.03 K)
Boiling point 78.23 ± 0.09 °C (172.81 ± 0.16 °F; 351.38 ± 0.09 K)
Solubility in water Miscible
Explanation:
mark brainliest
PLEASE HELP ASAP!!!! (60 POINTS)
Answer:
copy and paste here ill do it
whats valency of nitrogen in N2O3, N2O5 and NO
Answer:
Valency of nitrogen in the given compounds:
N₂O₃ = +3
N₂O₅ = +5
NO = +2
-TheUnknownScientist 72
Ethanoic acid is a weak acid because
Is a carboxylic acid
Does not irritate the skin
Is not completely ionized in water
Produces one hydrogen ion per molecule
Answer:
is not completely ionized in water
The ethanoic acid (acetic acid) is considered as a weak acid because it does not releases all of its hydrogen in water, rather it dissociates partially and establishes an equilibrium with its conjugate base.
What is the total number of neutrons in an atom of O-18? a) 18 b) 16 c) 10 d) 8
Answer:
There are 10 neutrons
Explanation:
Because the atomic number is 8 and the isotope number is 18 (which is the collective protons and neutrons), we can do
18-8=10
Answer:
10
Explanation:
8 proton because it is oxygen
10 neutron because 18-8
Carbon monoxide (CO), carbon dioxide (CO2) and nitrogen dioxide (NO2) are low molecular weight covalent compounds. Which of the following best describes the state in which these compounds exist at Standard Temperature and Pressure (STP)?
solid
liquid
gas
plasma
Answer:
gas
Explanation:
at Standard Temperature and Pressure Carbon monoxide (CO), carbon dioxide (CO2) and nitrogen dioxide (NO2) exist as gases
Option C is correct
Low molecular weight covalent compoundsCovalent compounds are compounds that are characterized by strong Intra-molecular bonds and they are solids as they have higher molecular weights
But when compounds like Carbon monoxide (CO), carbon dioxide (CO2), and nitrogen dioxide (NO2) are formed with low molecular weight covalent bonds They exist as gases
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In a compound, chemical energy is _______________ when bonds break.
Answer:
In a compound, chemical energy is _____required__________ when bonds break.
tijuan mixed a solid and a liquid together in a beaker
What is helium an example of?
element
compound
atomic number
subatomic particle
Answer:I believe it is Subatomic Particle.
I need help with this
Answer:
129 units cubed
Explanation:
There are ten spaces between 120 and 130, so we can infer that each line represents a change in volume of 1 unit. The volume of the substance in the graduated cylinder looks like it's 1 under 130, so its volume is 129 units.
Hopefully this was helpful! :)
assuming that no heat is lost to the surroundings, what is the final temperature of the mixture?
Which one of the following is a measure of the certainty of a
result comparing to a given value or the agreement of
measurements?
a. Accuracy
b. precision
c. Percentage
d. Uncertainty
Answer: a. Accuracy how close is your measurement tot the true value
Explanation:
Which one of the following is a measure of the certainty of a
result comparing to a given value or the agreement of
measurements?
a. Accuracy how close is your measurement tot the true value
b. precision; how close are yourr measurements to each other
c. Percentage: the ratio of tour measurement to the true value X 100
d. Uncertainty: how unsure are you of your measurements
Which of the following is matter in its solid form?
O Air
O Electricity
O Rock
O Water
Why are being flammable and combustible considered to be chemical properties and not physical properties?
A. They alter its mass and volume
B. They change the state of matter
C. They change the substance into another substance
D. They change the color of the substance
Answer:
C. They change the substance into another substance.
Explanation:
Hope it helps!!
Drug addiction occurs in
age groups, from a
variety of backgrounds.
A young, narrow
B. all, narrow
C. all, wide
Answer:
A. young, narrow
Explanation:
Correct me if I am wrong
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guys- my science teacher doesn't teach, he just says go on schoology